JP2012037672A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device which is designed to reduce the number of components and manufacturing cost and to improve assemblability.SOLUTION: The display device includes a rectangular front glass panel 12, mounting brackets 24c and 24f adhered on the inner surface of the front glass panel and arranged along the peripheral part of the front glass panel with a plurality of engagement pieces 28a, a display panel 14 whose peripheral part is maintained by the mounting brackets and which is arranged on top of the inner surface of the front glass panel, and a decoration frame 16 surrounding the display panel, mounted on the inner surface of the front panel, and attached to the mounting brackets. The decoration frame 16 has engagement grooves 48 to be engaged with the engagement pieces of the mounting brackets, engagement projections 50 to be engaged with the mounting brackets, and slits 52 formed on the bottoms of the engagement grooves, adjacent to the engagement projections.

Description

  Embodiments described herein relate generally to a display device having a front cover.

  In recent years, many large-sized flat display devices, such as a liquid crystal display and a plasma display, are provided. These display devices include a display panel, a front cover that covers at least the front peripheral edge of the display panel, a decorative frame that is attached to the peripheral edge of the panel, and a back cover that covers the back side of the display panel. Yes. Usually, the front cover and the decorative frame are attached to the display panel or the front cover by separate mounting brackets or screws.

JP 2008-70517 A

  As described above, when using another component for fixing the decorative frame, the number of components increases, which is an obstacle to reducing the manufacturing cost and improving the productivity of the display device.

  An object of the present invention is to provide a display device capable of reducing the number of parts, reducing the manufacturing cost, and improving the assemblability.

  A display device according to an embodiment includes a rectangular front glass panel, and a mounting bracket that is bonded to the inner surface of the front glass panel, is disposed along a peripheral edge of the front glass panel, and has a plurality of engagement pieces A display panel that is placed on the inner surface of the front glass panel and has a peripheral edge held by the mounting bracket, and is attached to the inner surface of the front panel by being mounted on the mounting bracket, and around the display panel A decorative frame that surrounds the engaging groove, the engaging groove engaging with the engaging piece, the engaging protrusion engaging with the attaching metal, and the engaging groove adjacent to the engaging protrusion. A decorative frame having a slit formed in the bottom.

FIG. 1 is a perspective view illustrating a flat-screen television according to an embodiment. FIG. 2 is an exploded perspective view showing the back side of the thin television. FIG. 3 is a perspective view showing the back side of the thin television with the back cover removed. FIG. 4 is an exploded perspective view showing a corner portion of the decorative frame, a front panel, and a mounting bracket. FIG. 5 is a plan view showing the back side of the decorative frame. FIG. 6 is an enlarged perspective view showing a part of the decorative frame, for example, a corner. FIG. 7 is a cross-sectional view of the decorative frame along the line BB in FIG. 6. FIG. 8 is a cross-sectional view of the flat-screen television taken along line AA in FIG.

  Hereinafter, a display device according to an embodiment will be described in detail with reference to the drawings.

  1 to 8 show a thin-screen television according to an embodiment as a display device. The display device to which the present invention can be applied is not limited to the above. The present invention is widely applicable to various display devices.

  As shown in FIGS. 1 to 3, the flat-screen television 10 surrounds the periphery of the display panel 14, for example, a rectangular plate-like front panel 12, a display panel 14 arranged on the inner surface of the front panel 12. A rectangular decorative frame 16, a back cover 18 that covers the back side of the display panel 14, and a stand 20 that supports the display panel 14 in a substantially vertical state are provided.

  The front panel 12 that functions as a front cover is formed of a transparent plate material, for example, a transparent glass panel. The front panel 12 is not limited to glass, and a transparent resin plate or the like can also be used.

  The display panel 14 is, for example, a liquid crystal display (LCD), a plasma display, or an organic electroluminescence display (organic EL display). The display panel 14 includes, for example, a liquid crystal display panel and an optical sheet, a backlight, and the like (not shown) disposed on the back side of the liquid crystal display panel. The front surface of the display panel 14, that is, the peripheral portion of the display surface is held by a bezel (not shown), and the back side is covered with a metal frame 22. The display panel 14 is formed in a flat rectangular plate shape as a whole. The display panel 14 is formed in a plane size slightly smaller than that of the front panel 12.

  As shown in FIG. 1, the display panel 14 is disposed so that the surface thereof overlaps the inner surface of the front panel 12, whereby the front panel 12 forms a rectangular display surface 12 a. The peripheral part of the inner surface or the outer surface of the front panel 12 has a slight width, for example, a light shielding printing such as a black mesh is applied, or a light shielding film is attached to form a frame portion 12b having a rectangular frame shape.

  As shown in FIGS. 2 to 4 and 8, a plurality of mounting brackets 24 a, 24 b, 24 c, 24 d, 24 e, 24 f, 24 g, and 24 h that function as mounting members are bonded to the inner peripheral edge of the front panel 12. Yes. Each mounting bracket is affixed to the inner surface of the front panel with a double-sided tape 15, for example. The plurality of mounting brackets 24 a to 24 h are arranged side by side along the upper side 13 a and the left and right side sides 13 b of the front panel 12, that is, with an appropriate gap. Mounting brackets 24c, 24e, 24f, and 24h that are bent at right angles along the respective corners are disposed at the two upper corners and the lower two corners of the front panel 12, respectively. These mounting brackets 24a to 24h are affixed to the inner surface of the frame portion 12b of the front panel 12, that is, a light-shielded region, and are arranged so as not to be seen through from the display surface side of the front panel 12. In this embodiment, the mounting bracket is divided into a plurality of parts. However, the present invention is not limited to this, and the mounting bracket may be a frame-shaped mounting bracket.

  Each of the mounting brackets 24a to 24h is formed by bending an elongated metal flat plate so as to have a substantially L-shaped cross section, and is opposed to the front panel 12 in parallel and is attached to the inner surface of the front panel 12 by the double-sided tape 15. And a standing wall 26b that stands substantially perpendicular to the inner surface of the front panel.

  As shown in FIGS. 4 and 8, each of the mounting brackets 24a to 24h is formed by a cut-and-raised piece, in this case, a part of the bottom wall 26a that is cut and raised at a right angle and is opposed to the standing wall 26b with a gap. At least one piece (fin) 28a and one engagement hole 28b formed at the boundary between the bottom wall 26a and the standing wall 26b at a position slightly shifted from the engagement piece are provided. In the present embodiment, the relatively long mounting brackets 24a, 24d, and 24g are formed with engagement pieces 28a and engagement holes 28b at a plurality of locations that are spaced apart in the longitudinal direction. The relatively short mounting brackets 24b, 24c, 24e, 24f, 24h are formed with engaging pieces 28a and engaging holes 28b at both ends in the longitudinal direction. Engagement pieces 28a and engagement holes 28b are formed in the right-angle mounting brackets 24c and 24f provided at the corners on both sides of the corners and on the respective extended ends.

  The mounting brackets 24c and 24f provided at the two upper corners of the front panel 12 extend across the right-angled corners and face the front panel substantially parallel to each other at a predetermined interval, or The holding portion 30 is integrally provided.

  As shown in FIGS. 2 and 3, the mounting bracket 24a disposed on the upper side 13a side of the front panel 12 integrally has a plurality of hook portions 32 extending from the upper end of the standing wall 26b to the display panel 14 side. ing. As shown in FIGS. 3 and 4, the mounting brackets 24d and 24g arranged along the side sides 13b of the front panel 12 respectively extend from the upper end of the standing wall 26b to the opposite side of the display panel 14. A plurality of fixing brackets 34 formed with screw holes are integrally provided. These fixing brackets 34 are provided at predetermined intervals along the side edges of the front panel 12.

  As shown in FIGS. 2 and 3, the mounting brackets 24e and 24h provided at both corners on the lower side 13c side of the front panel 12 are respectively provided with a bottom wall 26a bent in an L shape and a side wall side on the front panel 12 side. And an upright wall 26b that stands upright from the bottom wall. The mounting brackets 24e and 24h integrally have an engagement bracket 36 that extends from the upper end of the upright wall 26b to the opposite side of the display panel 14 and has an engagement hole 36a. The engagement hole 36 a is formed as a long hole extending in parallel with the side 13 b of the front panel 12. A cylindrical engaging pin 38 and a boss 40 are erected on a portion extending along the lower side 13c of the front panel 12 in the bottom wall 26a. Screw holes are formed in the boss 40. Further, a locking bracket 41 is erected vertically on the bottom wall 26 a with respect to the front panel 12.

  As shown in FIG. 2, a plurality of, for example, four rectangular plate-shaped fixing brackets 42a, 42b, 42c, and 42d are bonded to the lower peripheral edge of the inner surface of the front panel 12, and spaced along the panel lower side 13c. Are lined up. A cylindrical boss 44 is erected on each of the fixing brackets 42 a, 42 b, 42 c, 42 d and extends perpendicularly to the front panel 12. Each boss 44 is formed with a screw hole.

  The front panel 12, the display panel 14, and the decorative frame 16 are fixed together by the plurality of mounting brackets 24a to 24h described above. That is, as shown in FIGS. 2 to 8, the decorative frame 16 includes a rectangular frame-shaped frame body 16 a and an inner peripheral side of the frame body, continuously or intermittently along both sides and the upper side of the frame body. And a fixed frame portion 16b provided, and is integrally formed of an elastic material, for example, a synthetic resin. The frame main body 16a is formed to have an outer diameter substantially equal to the outer dimension of the front panel 12.

  The frame main body 16a has a convex portion 16c that protrudes toward the front panel 12 and contacts the inner surface of the front panel, and the convex portion 16c is continuous over the entire circumference of the frame main body. On the rear surface side of the frame body 16a, that is, on the side opposite to the front panel 12, an inclined surface 16d is formed over the entire circumference. A holding groove 46 is formed between the frame main body 16a and the fixed frame portion 16b. The holding groove 46 opens on the rear surface side of the frame main body. The holding groove 46 extends continuously along both sides and the upper side of the frame body 16a. The holding groove 46 is fitted with a peripheral portion of the back cover 18 described later.

  Each of the fixed frame portions 16b of the decorative frame 16 has a substantially U-shaped cross section, and includes a pair of peripheral walls extending along each side of the front panel 12, and a bottom wall extending in parallel with a gap from the front panel. It has one. Each fixed frame portion 16b forms an engagement groove 48 that opens to the front panel 12 side. At both corners on the upper side 13a side of the frame body 16a, the fixed frame portion 16b is continuously provided while being bent at a right angle along the corner portion.

  As shown in FIGS. 5 to 8, the engagement protrusions 50 or the engagement claws are integrally formed at a plurality of locations of the fixed frame portion 16b, for example, 8 locations on the upper side portion of the decorative frame 16 and 4 locations on each side portion. Is provided. These engagement protrusions 50 are provided at predetermined intervals along each side of the decorative frame 16. Engagement protrusions 50 are provided on both sides of each corner at the upper side corner of the decorative frame 16.

  As shown in FIGS. 2 and 5 to 8, the engagement protrusion 50 is directed from the front panel side end of the inner peripheral wall of the fixed frame portion 16 b toward the inside of the decorative frame 16, that is, toward the display panel 14. It protrudes. As will be described later, the engagement protrusion 50 is formed so as to be engageable with the engagement hole 28b of the corresponding mounting bracket.

  In the fixed frame portion 16b, a long hole-like slit 52 is formed through the bottom wall of the portion where the engagement protrusion 50 is provided, and communicates with the engagement groove. The slit 52 extends in parallel with the side of the decorative frame 16 and is positioned so as to overlap the engaging protrusion 50. By providing such a slit 52, the portion of the fixed frame portion 16b provided with the engaging projection 50 can be elastically deformed relatively easily during assembly, and the engaging projection 50 can be engaged with the mounting bracket. It can be easily hooked into the hole 28b.

  As shown in FIGS. 2 and 5, the lower side portion of the frame main body 16 a has a plurality of, for example, two engaging pieces 56. These engagement pieces 56 protrude from the frame body 16a toward the display panel 14 and face the front panel in parallel. Each engagement piece 56 is formed with a through hole 56a.

  The decorative frame 16 configured as described above is attached to the mounting brackets 24 a to 24 h and fixed to the front panel 12, and surrounds the display panel 14. As shown in FIGS. 3, 4, 6, and 8, the decorative frame 16 is entirely covered from the top of the mounting brackets 24 a to 24 h to the outside of the mounting bracket. Each fixed frame portion 16b of the decorative frame 16 is placed on the outer surface side of the upright wall 26b of the mounting brackets 24a to 24h and on the bottom wall 26a. At that time, the engaging pieces 28a of the mounting brackets 24a to 24h are engaged with the engaging grooves 48 of the fixed frame portion 16b, and the peripheral wall of the fixed frame portion 16b is sandwiched between the engaging pieces 28a and the standing wall 26b. Further, the engaging projection 50 of the fixed frame portion 16b is hooked and engaged with the engaging holes 28b of the mounting brackets 24a to 24h. At this time, by bending the fixed frame portion 16b at the position of the slit 52, the engaging protrusion 50 can be easily engaged with the engaging hole 28b of the mounting bracket. Further, since the fixing frame portion 16b of the decorative frame 16 has portions corresponding to the fixing bracket 34 and the engaging bracket 36 of the mounting brackets 24d and 24g removed, the decorative frame portion 16b does not get caught by these fixing bracket and locking bracket. The frame 16 can be attached to the mounting brackets 24a to 24h. Thus, the decorative frame 16 has the fixed frame portion 16b covering the bottom wall 26a of the mounting brackets 24a to 24h, and the mounting bracket and the front panel in a state where the convex portion 16c is in contact with the inner surface of the front panel 12. 12, and surrounds the mounting brackets 24 a to 24 h and the display panel 14.

  The lower side portion of the frame main body 16 a is disposed in contact with the inner surface of the front panel 12, and the bosses 44 of the mounting brackets 42 b and 42 c are inserted into the through holes 56 a of the respective engagement pieces 56. The engaging piece 56 is engaged with the boss 44, whereby the lower side portion of the frame main body 16 a is positioned with respect to the front panel 12.

  As shown in FIGS. 2 and 3, an elongated plate-like bottom plate 60 is placed on the decorative frame 16 on the lower side of the front panel 12. The bottom plate 60 has, for example, a center and three members on both sides, and is configured by connecting these members to each other. The bottom plate 60 engages with a plurality of engaging portions that engage with the bosses 44 erected on the mounting brackets 42 a to 42 d, and with the engagement pins 38 and bosses 40 erected on the mounting brackets 24 e and 24 h. It has a joint part and is attached to the front panel in a state of standing along the lower side of the front panel 12.

  2, 3, and 8, the display panel 14 is placed on the front panel with the display surface facing the inner surface of the front panel 12, and is further slid to the upper side of the front panel. By doing so, the periphery of the display panel is in contact with the standing wall 26b of the mounting brackets 24a to 24h. Thereby, the movement of the display panel 14 in the surface direction of the front panel 12 is regulated by the mounting brackets 24a to 24h, and the display panel 14 is positioned and held. The upper corner portions of the display panel 14 are fitted between the holding portions 30 of the mounting brackets 24c and 24f and the front panel 12, respectively. Further, the lower corners of the display panel 14 are pressed from above by the engaging pins 38 of the mounting brackets 24e and 24h and the fixing bracket 62 attached to the engaging bracket 36, respectively. As a result, the display panel 14 is restricted from moving in a direction perpendicular to the inner surface of the front panel 12 and is held at a position in contact with the front panel 12.

  As shown in FIGS. 4 and 8, a belt-like packing 66 made of, for example, a rubber sheet or the like is attached to the inner surface of the front panel 12 at a position facing the outer peripheral portion of the display panel 14. The display panel 14 is in contact with the inner surface of the front panel 12 via the packing 66.

  A liquid crystal driving circuit board, a controller board, a power circuit board, and the like (not shown) are mounted on the back surface of the display panel 14. As shown in FIG. 3, a rectangular base plate 64 is screwed and fixed to the central portion of the lower back of the display panel 14. The leg 20a (see FIG. 1) of the stand 20 is fixed to the base plate 64.

  As shown in FIGS. 2 and 8, the back surfaces of the front panel 12 and the display panel 14 are covered with a back cover 18. The back cover 18 is formed of a substantially rectangular metal plate, and its upper side and both sides are curved toward the front panel, and the edge is bent at a right angle. The back cover 18 is attached to the decorative frame 16 in a state in which the edge portion on the upper side and the edge portions on both sides are fitted in the holding grooves 46 of the decorative frame 16, and covers the back surface of the display panel 14 and the mounting bracket. ing. The lower side portion of the back cover 18 is disposed so as to overlap the bottom plate 60. Further, the back cover 18 is screwed from the outside to a fixing bracket 34 of the mounting bracket, the plurality of bosses 40 and 44, and a screwing portion (not shown) provided on the back surface of the display panel 14 by a plurality of screws.

  According to the thin television 10 configured as described above, the display panel 14, the decorative frame 16, and the front panel 12 are collectively attached and fixed by the plurality of mounting brackets 24 a to 24 h bonded to the front panel 12. . That is, the decorative frame 16 is fixed to the front panel 12 by being attached to the mounting brackets 24 a to 24 h and surrounds the display panel 14. This eliminates the need for an independent fixing member, screws, or the like for attaching the decorative frame 16, reduces the number of parts, simplifies the structure of the thin television, and reduces the manufacturing cost. Furthermore, the decorative frame 16 can be fixed to the front panel 12 by a simple operation of only fitting into the engaging pieces 28a and the engaging holes 28b of the mounting bracket, and the assembling property can be improved. At the same time, the display panel 14 can be easily attached to the front panel 12 by the mounting brackets 24a to 24h and the fixing bracket 62 without screwing or the like, thereby reducing the manufacturing cost and improving the assembly efficiency. It becomes possible.

  The decorative frame 16 has an outer diameter equal to or smaller than the outer diameter of the front panel 12 and can be disposed so as to overlap within the range of the inner surface of the front panel 12. That is, the decorative frame 16 does not protrude outward from the outer periphery of the front panel 12, and the width of the frame portion of the display surface can be reduced.

  Although the plurality of divided mounting brackets are fixed to the front panel, the mounting bracket may be configured by a single bracket that is continuous in a frame shape. When using a plurality of divided mounting brackets as in this embodiment, the mounting brackets are adapted to TVs and display panels of various sizes by changing the spacing between the mounting brackets according to the size of the television. be able to.

  Although the embodiment of the present invention has been described, this embodiment is presented as an example and is not intended to limit the scope of the invention. The novel embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. The embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  The display device of the present invention can be implemented not only as a flat-screen television but also as a display for a personal computer, for example. In addition, the display device can be variously modified and implemented without departing from the gist of the invention. Although the front cover is a rectangular plate-shaped front panel, the present invention is not limited to this, and for example, a rectangular frame-shaped panel may be configured to expose the display surface of the display panel.

10 ... Thin TV, 12 ... Front panel, 14 ... Display panel, 16 ... Makeup frame,
16a ... frame body, 16b ... fixed frame part, 18 ... back cover,
24a to 24h ... mounting bracket, 26a ... bottom wall, 26b ... standing wall, 28a ... engagement piece,
28b ... engaging hole, 46 ... fixed groove, 48 ... engaging groove, 50 ... engaging protrusion, 52 ... slit

The display device according to the embodiment, a rectangular transparent front panel is adhered to the inner surface of the front panel, and mounting hardware positioned along the periphery of the front panel, arranged on the inner surface of the front panel And a display panel having a peripheral edge held by the mounting bracket, and a decorative frame attached to the mounting bracket and mounted on the inner surface of the front panel and surrounding the display panel.

Claims (9)

A rectangular front glass panel;
A mounting bracket that is bonded to the inner surface of the front glass panel and is disposed along the peripheral edge of the front glass panel and has a plurality of engagement pieces;
A display panel that is placed on the inner surface of the front glass panel and has a peripheral edge held by the mounting bracket,
A decorative frame that is mounted on the mounting bracket and mounted on the inner surface of the front panel and surrounds the periphery of the display panel; an engagement groove that engages with an engagement piece of the mounting bracket; and the mounting bracket A decorative frame comprising: an engaging protrusion engaging with the engaging protrusion; and a slit formed in a bottom of the engaging groove adjacent to the engaging protrusion;
A display device comprising: The mounting bracket is disposed along at least a plurality of sides of the front glass panel,
The mounting bracket includes a bottom wall bonded to an inner surface of the front glass panel, a standing wall standing upright with respect to the front glass panel and facing a side surface of the display panel, and the standing wall cut and raised from the bottom wall. 2. The display device according to claim 1, which integrally includes a cut-and-raised piece that is opposed to each other with a gap therebetween and constitutes the engaging piece.   The decorative frame is provided continuously or intermittently along the side of the frame main body on the inner peripheral side of the frame main body having a convex portion that abuts against the inner surface of the front glass panel. The display device according to claim 2, further comprising: a fixed frame portion; and the engagement groove that is formed in the fixed frame portion and engages with an engagement piece of the mounting bracket.   The engagement protrusion of the decorative frame protrudes from the fixed frame portion and engages with the engagement hole of the mounting bracket, and the slit is formed in the fixed frame portion in the vicinity of the engagement protrusion. The display device according to 2 or 3. A back cover for covering the back surface of the display panel and the mounting bracket;
The display device according to claim 3, wherein the decorative frame has a fixing groove extending along a side of the frame main body, and a peripheral edge portion of the back cover is fitted in the fixing groove of the decorative frame. A front cover,
A display panel overlaid on the inner surface side of the front cover;
A decorative frame provided around the display panel;
An attachment member bonded to the inner surface of the front cover and fixing the front cover, the display panel, and the decorative frame;
A display device comprising:   The display device according to claim 6, wherein the attachment member includes an engagement piece engaged with an engagement groove of the decorative frame.   The display device according to claim 7, wherein the decorative frame includes an engagement protrusion provided in the vicinity of an engagement groove engaged with an engagement piece of the attachment member and engaged with the attachment member.   The display device according to claim 8, wherein the decorative frame includes a slit formed in a bottom of the engagement groove adjacent to the engagement protrusion.

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